30 points! will mark brainliest. please help!!

Answer:
The equation is 4² + x² = 7²; x² = 33; x = √33
[tex] \sin( \infty ) = \frac{ \sqrt{33} }{7} [/tex]
The expression equivalent to tan 8 (theta) is
[tex] \tan( \infty ) = \frac{ \sqrt{33} }{4} [/tex]